Job Description

Salary: $120,000 - 150,000 per year Requirements:

• I am looking for a candidate with over 5 years of experience in mobile application development, ideally having spent at least 3 years in senior or lead roles with cross-platform iOS and Android projects.
• Technical Skills:
• - Proficiency in Swift for iOS app development, especially with UIKit/SwiftUI, Core Data, and networking with URLSession.
• - Strong experience in Kotlin for Android development, including Jetpack Compose, Room, and Retrofit for API interactions.
• - Required knowledge of mapping on mobile applications, particularly with MapKit (iOS) and Google Maps SDK (Android) for handling geospatial queries, overlays, and location-based capabilities.
• - Familiarity with integration tools (e.g., Firebase for cross-platform sync) and deployment platforms (e.g., App Store Connect, Google Play Console).
• - Understanding of Agile/Scrum methodologies and proficiency in tools like Jira, Git, and CI/CD pipelines (e.g., Fastlane, Gradle).
• Soft Skills:
• - I seek candidates with excellent problem-solving abilities, strong communication skills for both technical and non-technical audiences, and a proactive approach to project delivery.
• Nice-to-Have:
• - Experience in the Water Resources or agricultural tech sector would be a plus, along with familiarity with GIS/mapping libraries (e.g., ArcGIS Runtime SDK for mobile, Mapbox) and prior work on forms-heavy or data-intensive mobile SaaS applications.
• Education:
• - A Bachelor's degree in computer science, Software Engineering, or a related field (or equivalent experience) is preferred.
• Other:
• - Ability to commute to Johnstown, CO, and U.S. work authorization is required.
• --

Responsibilities:

• I will need you to design and implement mobile API integrations between One Red, HydroData, and ProducerConnect, ensuring secure and seamless data synchronization across both iOS and Android platforms.
• You will be responsible for developing and optimizing native mobile UI components with Swift (iOS) and Kotlin (Android), aimed at creating intuitive interfaces for data entry, visualization, and user workflows.
• Your role includes building scalable mobile services for offline data processing, error handling, and performance tuning, ensuring seamless backend connectivity.
• You will integrate advanced mapping functionalities into mobile apps, leveraging location services for geospatial data display, routing, and field annotations in water resource management scenarios.
• Collaboration with cross-functional teams (product, QA, and stakeholders) to define requirements, conduct code reviews, and meet deliverables on time will also be key.
• You’ll write clean, maintainable code and carry out comprehensive testing (including unit, integration, and end-to-end) using frameworks such as XCTest (iOS) and JUnit (Android).
• Troubleshooting and resolving issues in production environments while utilizing mobile monitoring tools to ensure app reliability and optimal user experience will be part of your duties.
• Documenting code, APIs, and deployment processes to facilitate knowledge transfer and future scalability will be necessary.
• Additionally, mentoring junior developers and contributing to agile ceremonies, including sprint planning and retrospectives, will be expected.
• --

Technologies:

• API
• Android
• Backend
• CI/CD
• Fastlane
• Firebase
• GIS
• Git
• GitHub
• Gradle
• JIRA
• JUnit
• Kotlin
• Mobile
• Swift
• UIKit
• Web
• iOS
• UX UI Design

More:

This position is project-based and at-will, tied specifically to the successful execution of the “One Red integration into HydroData and ProducerConnect” project, estimated to last approximately eight (8) months from November 1, 2025. It may extend further based on project milestones and your performance.

At Longitude 103, we are a rapidly expanding technology firm based in Johnstown, Colorado, specializing in tailored web and mobile applications for the Water Resources industry and related fields. We equip agricultural and environmental professionals with innovative SaaS solutions that enhance data management, mapping, and integration workflows. By joining our team, you’ll be part of a collaborative effort to positively impact sustainable water use and resource optimization.

We offer a competitive pro-rated salary along with performance-based incentives, a complete benefits package from day one, and a flexible hybrid work arrangement in a modern office space. Opportunities for professional growth in a mission-driven environment dedicated to water sustainability await you.

Interested candidates are encouraged to submit a resume and a cover letter that highlights relevant Swift/Kotlin experience and mobile mapping projects, along with a portfolio or GitHub/App Store link, if applicable. We are an equal opportunity employer that values diversity in our team. Reviews of applications will be conducted on a rolling basis, with interviews commencing immediately, and only shortlisted candidates will be contacted.

Longitude 103 – Innovating for a Sustainable Future.

last updated 43 week of 2025

Job Tags

Full time, Work at office, Immediate start, Flexible hours,

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